diff --git a/ui/AppDelegate.h b/ui/AppDelegate.h
new file mode 100644
index 0000000..6513055
--- /dev/null
+++ b/ui/AppDelegate.h
@@ -0,0 +1,5 @@
+#import <AppKit/AppKit.h>
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+
+@end
diff --git a/ui/AppDelegate.m b/ui/AppDelegate.m
new file mode 100644
index 0000000..1dd20be
--- /dev/null
+++ b/ui/AppDelegate.m
@@ -0,0 +1,30 @@
+#import "AppDelegate.h"
+
+@implementation AppDelegate
+
+- (void) applicationWillFinishLaunching:(NSNotification *)notification {
+	NSLog(@"applicationWillFinishLaunching");
+}
+
+- (void) applicationDidFinishLaunching:(NSNotification *)notification {
+	NSLog(@"applicationDidFinishLaunching");
+}
+
+// Application Termination -----------------------------------------------------
+
+- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender {
+	NSLog(@"applicationShouldTerminate");
+	return NSTerminateNow;
+}
+
+- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {
+	NSLog(@"applicationShouldTerminateAfterLastWindowClosed");
+	return YES;
+}
+
+- (void)applicationWillTerminate:(NSNotification *)notification {
+	NSLog(@"applicationWillTerminate");
+}
+
+@end
+
diff --git a/ui/ui_darwin.m b/ui/ui_darwin.m
index 0adb7d3..8b7047b 100644
--- a/ui/ui_darwin.m
+++ b/ui/ui_darwin.m
@@ -1,9 +1,11 @@
 #include <Cocoa/Cocoa.h>
+#include "AppDelegate.h"
 
 void
 Initialize(void) {
     [NSAutoreleasePool new];
     [NSApplication sharedApplication];
+	[NSApp setDelegate: [AppDelegate new]];
     [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
 }